Home / 55,274.38-82,929.10-19,734.92

Finding the Fourth Proportional to 55,274.38, 82,929.10 and 19,734.92

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Solution

The fourth proportional to 55,274.38, 82,929.10 and 19,734.92 is: 29,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.38 : 82,929.10 = 19,734.92 : x
  2. Step 2: Convert to fraction form
    55,274.38/82,929.10 = 19,734.92/x
  3. Step 3: Cross multiply
    55,274.38x = 82,929.10 × 19,734.92
  4. Step 4: Simplify right side
    55,274.38x = 1,636,599,154.17
  5. Step 5: Solve for x
    x = 1,636,599,154.17/55,274.38
  6. Step 6: Final answer
    x = 29,608.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.